.my-index{
    height: 450px;
    margin-top: -19px;
    margin: 0;
    padding: 0;
    a{
        text-decoration: none;
    }
    .startbtn{
        display: inline-block;
        width: 105px;
        height: 45px;
        line-height: 45px;
        color: #4597df;
        font-size: 16px;
        border-radius: 3px;
        border-color: #999;
        border-color: rgba(0, 0, 0, 0.5);
        background-color: #ffffff;
    }
    .index1{
        background-color: #2c8cdb;
        height: 100%;
    }
    .index2{
        background-color: #479deb;
        height: 100%;
    }
    .index3{
        background-color: #90d67c;
        height: 100%;
    }
}
.thumbnail{
    border: none;
    margin-top: 40px;
    background-color: #2c8cdb;  
    .caption{
        color: #ffffff;
    }
}
.th2{
    background-color: #479deb;
}
.th3{
    background-color: #90d67c;
}